The A.I.D. program provides contraceptives, technical training, research and other support for national programs around the world.
The money may only be used to provide contraceptives or educational assistance.
Obama voted for a $100 million education initiative to reduce teen pregnancy and provide contraceptives to young people.
Most of Norplant's opponents say they have no objection to providing contraceptives in Baltimore's schools.
The clinic served married women who could not afford private medical care and provided contraceptives and birth control advice.
The clinic also offers basic health care and provides emergency medicine and contraceptives.
In addition, individual doctors and nurses can refuse to provide contraceptives on moral grounds.
Providing contraceptives and family planning services at low or no cost to the user helps prevent unintended pregnancies.
Unicef replied that it was not providing contraceptives or advocating abortion.